feature: "Staging API" env deploy action

Author: edisile

.github/workflows/deploy-staging-api.yaml

@@ -0,0 +1,21 @@
+name: Pack and Deploy Staging API
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy-staging-api-env-on-merge-into-main:
+    # dispatch another copy of the deploy.yaml workflow that deploys the Staging API env
+    uses: ./.github/workflows/deploy.yaml
+    permissions:
+      contents: read
+      deployments: write
+      packages: write
+    with:
+      environment: Staging API
+    secrets:
+      VAULT_APPROLE_ROLE_ID: ${{ secrets.VAULT_APPROLE_ROLE_ID }}
+      VAULT_APPROLE_SECRET_ID: ${{ secrets.VAULT_APPROLE_SECRET_ID }}
+      CHARMHUB_TOKEN: ${{ secrets.CHARMHUB_TOKEN }}

.github/workflows/deploy.yaml

@@ -5,15 +5,23 @@ on:
     branches:
       - main
       - staging
+  workflow_call:
+    inputs:
+      environment:
+        description: 'Environment (Production, Staging or Staging API)'
+        required: true
+        type: string
   workflow_dispatch:
     inputs:
       environment:
-        description: 'Environment (Production or Staging)'
+        description: 'Environment (Production, Staging or Staging API)'
         required: true
         type: choice
         options:
           - Production
           - Staging
+          - Staging API
+
 jobs:
   setup:
     runs-on: ubuntu-latest